示例 DEMO猛击这里 解决方法 直接看代码吧： function Dialog(){ this.panel = document.createElement(‘div’); this.panel.id = ‘bmPanel’; this.panel.style.position = ‘absolute’; this.panel.style.right = ’0px’; this.panel.style.right = this.scrollTop() + ‘px’; this.panel.style.zIndex = 100000; this.panel.style.margin = ’10px’; this.panel.style.width = ’200px’; this.panel.style.height = ’200px’; this.panel.style.border = ’5px solid #CCC’; this.panel.innerHTML = ‘<iframe id=”bmIframe” ‘ + ‘token=”1″ onload=”c = this.getAttribute(\’token\’); if (c==3) {this.parentNode.parentNode.removeChild(this.parentNode)} this.setAttribute(\’token\’,++c);”‘ + [...]